4225775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 5673744

約数和(自身を除く): 1447969

約数列:

[1, 5, 17, 25, 61, 85, 163, 305, 425, 815, 1037, 1525, 2771, 4075, 5185, 9943, 13855, 25925, 49715, 69275, 169031, 248575, 845155, 4225775]

約数ペア:

[(1, 4225775), (5, 845155), (17, 248575), (25, 169031), (61, 69275), (85, 49715), (163, 25925), (305, 13855), (425, 9943), (815, 5185), (1037, 4075), (1525, 2771)]